Excavator arm



FIG. 1 is a left rear perspective view of an excavator arm embodying my design.

FIG. 2 is a front view thereof.

FIG. 3 is a right front prespective view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is an enlarged rear view thereof.

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a left front prespective view thereof.

The broken line showing the machine and actuators in the drawings forms no part of the claimed design. 

The ornamental design for excavator arm, as shown and described. 